F16F 15/12326
End-caps for springs
Official title: {End-caps for springs}
F16F15/12326 (End-caps for springs) appears on 96 US grants and 64 published applications in this corpus.
Search patents in F16F- Granted patents
- 96
- Published applications
- 64
- Assignees
- 38
- Inventors
- 175
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 3 |
| 2003 | 2 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 4 | 0 |
| 2012 | 1 | 5 |
| 2013 | 2 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 6 |
| 2016 | 1 | 5 |
| 2017 | 4 | 6 |
| 2018 | 7 | 3 |
| 2019 | 6 | 4 |
| 2020 | 3 | 1 |
| 2021 | 0 | 5 |
| 2022 | 4 | 2 |
| 2023 | 5 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Damper device26 May 2026US 12,638,063 B2Aisin Corporation
- Torsion damper device, seat for a torsion damper device and method for manufacturing a torsion damper23 Dec 2025US 12,504,056 B2Valeo Embrayages
- Damper device and method of assembling same18 Nov 2025US 12,473,961 B2Exedy Corporation
- Multiple stage torsional coupling with centering bearing and coil spring snubbing26 Aug 2025US 12,398,761 B2Lord Corporation
- Torque transmission device with springs in series and torque transmission system comprising such a device3 Sep 2024US 12,078,213 B2Valeo Embrayages
- Torsion coil spring, method for manufacturing same, fastener for accessory, method for manufacturing same, and accessory23 Apr 2026US 2026/0108024 A1Crossfor Co., Ltd.
- Vibration damping device5 Feb 2026US 2026/0036175 A1Valeo Embrayages
- Torsional vibration reducing apparatus30 Oct 2025US 2025/0334167 A1Unipres Corporation
- Assembly for torsional vibration reducing apparatus23 Oct 2025US 2025/0327483 A1Unipres Corporation
- Seat and torsion damper comprising same14 Aug 2025US 2025/0257776 A1Valeo Embrayages
Most cited
By later US patents
- Damper disc34US 4,601,676 AKabushiki Kaisha Daikin Seisakusho · 1986
- Torsion vibration damper30US 4,351,168 AAllis-Chalmers Corporation · 1982
- Hydrodynamic torque converter30US 6,142,272 ALuK Getriebe-Systeme GmbH · 2000
- Torsion damping device for an automobile clutch friction disc27US 4,613,029 AValeo · 1986
- Hydrodynamic torque converter25US 6,223,872 B1LuK Getriebe-Systeme GmbH · 2001